Right now, Lady Gaga fans have the opportunity to Gaga-ize their Facebook profile and unlock the next "sneak peek" from the upcoming HBO concert event. This is the second of three exclusives that will be made available leading up to the May 7 HBO special.

The Best of the Dean Martin Variety Show sets capture material never before released from some of the shows greatest episodes during its nine-year run on television from 1965 to 1974. Hosted by Dean Martin, the acclaimed variety and comedy show was one of the highest-rated in television history, garnering 12 Emmy nominations and a Golden Globe award (Dean Martin "Best Actor in a Comedy Television Series" 1967), frequented by hundreds of guests from across the world of entertainment including legendary actors and actresses from the stage and screen, pop and jazz singers, dancers and comedians.